I was wondering if any of you guys have made any changes to the ML system in the LS430?

 

Putting Dynaudio system 240MkII speakers up front made a big difference. Replacing the front door mid woofers will increase your bass significantly if you don't want to upgrade the front tweeters. The Dynaudio mid woofers require a 1" spacer ring and 1" washer/bolts to sandwich the ring to the door. It's a much bigger job to replace the dash tweeters. Besides making your system sound better you can go louder without as much distortion.